Angles and Lines

1234567891011
Across
  1. 2. Angles with a sum of 180 degrees
  2. 4. coplanar lines that do not intersect
  3. 5. and angle that is exactly 180 degrees
  4. 9. An angle that is exactly 90 degrees
  5. 10. An angle that is larger than 90 and less than 180 degrees
  6. 11. Triangle with all sides of equal length
Down
  1. 1. Angles with a sum of 90 degrees
  2. 3. An angle that is less than 90 degrees
  3. 4. Lines that intersect at a 90 degree angle
  4. 6. Triangle with two sides with equal length
  5. 7. Triangle with all sides with different length
  6. 8. opposite angles formed by two intersecting lines